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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Kauffmann olefination ： ウィキペディア英語版 Kauffmann olefination The Kauffmann olefination is a chemical reaction to convert aldehydes and ketones to olefins with a terminal methylene group. This reaction was discovered by the German chemist Thomas Kauffmann and is related to the better known Tebbe olefination or Wittig reaction. == Formation of the reagent == The reagent was generated ''in situ'' by conversion of different halogenides of molybdenum or tungsten with methyllithium at low temperatures (−78 °C). During the warm-up process the formation of the active reagent occurs. nmr-experiments has shown that the active reagent is not a Schrock carbene (e.g. Tebbe-reagent). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Kauffmann olefination」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.